Hazard Warning Lamps: Testing and Inspection
Hazard Flasher Malfunction
Fault symptom
Hazard flashers out of order/flash constantly.
Diagnostic help
Fault diagnosis indicates fault with just the hazard flasher button with corresponding lead.
Test value:
Hazard Switch
(See also description of readings/activations in diagnostic tool)
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.